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11 INSTRUCTIONS AND FUNCTIONS
(2) Program example for a format 2 control table
100 'A program example that reads the device memory of the Q/QnA series PLC CPU
110 DIM TBL%(20),A%(10)
120 TBL%(0)=256
130 TBL%(1)=1
140 TBL%(2)=1
150 TBL%(4)=516
160 TBL%(5)=&H101
170 TBL%(6)=&H1
180 TBL%(7)=0
190 TBL%(8)=168
200 D!=0
210 GOSUB 420
220 TBL%(9)=L%
230 TBL%(10)=H%
240 TBL%(11)=0
250 TBL%(12)=0
260 TBL%(13)=144
270 D!=0
280 GOSUB 420
290 TBL%(14)=L%
300 TBL%(15)=H%
310 TBL%(16)=0
320 TBL%(17)=0
330 TBL%(18)=168
340 D!=8000
350 GOSUB 420
360 TBL%(19)=L%
370 TBL%(20)=H%
380 TBL%(21)=0
390 TBL%(22)=0
11 - 242
:
'Defines the arrays
:
'Specifies a format 2 control table
:
'Specifies network number 1
:
'Specifies station number 1
:
'Specifies to read random devices of the
Q/QnA series PLC CPU
:
'Reads one bit device point or one word
device point
:
'Reads one double-word device point
:
'Fixed value
:
'Specifies data registers (D)
:
'Specifies device number 0
:
'Stores the lower digit of the device number
:
'Stores the higher digit of the device
number
:
'Specifies word units as processing unit
:
'Fixed value
:
'Specifies internal relays (M)
:
'Specifies device number 0
:
'Stores the lower digit of the device number
:
'Stores the higher digit of the device
number
:
'Specifies bit units as processing unit
:
'Fixed value
:
'Specifies data registers (D)
:
"Specifies device number 8000
:
'Stores the lower digit of the device number
:
'Stores the higher digit of the device
number
:
'Specifies double-word units as processing
unit
:
'Fixed value
MELSEC-Q
11 - 242
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